Frequency of unique rows

I want to count the frequency of the similar rows in a very long matrix. I have one million rows. I want something like below,

I have a matrix like below,

[0 0 0 0

0 0 0 0

0 0 0 1

0 0 0 1

0 0 0 1

0 0 0 2

0 0 0 2]

And I am looking for an output like below,

[0 0 0 0 2

0 0 0 1 3

0 0 0 2 2]

Thanks

Answer 1

[Andrei Bobrov]

a = [0 0 0 0
0 0 0 0
0 0 0 1
0 0 0 1
0 0 0 1
0 0 0 2
0 0 0 2];

[aa,~,c] = unique(a,'rows');
out = [aa, histcounts(c,1:max(c)+1)'];

[Avik Mahata]

Tremendous help.

Thanks